<?php

class LoginController extends Controller {

    public $layout = 'main';

    /**
     * login form
     */
    public function actionIndex() {
	$model = new LoginForm;

	// if it is ajax validation request
	if (isset($_POST['ajax']) && $_POST['ajax'] === 'login-form') {
	    echo CActiveForm::validate($model);
	    Yii::app()->end();
	}

	// collect user input data
	if (isset($_POST['LoginForm'])) {
	    $model->attributes = $_POST['LoginForm'];
	    // validate user input and redirect to the previous page if valid
	    if ($model->validate() && $model->login()) {
		$this->redirect(Yii::app()->user->returnUrl);
	    }
	}
	// display the login form
	$this->render('/login', array('model' => $model));
    }

}

